pcd8544 vs Arduino-MQ131-driver

pcd8544

Minimal footprint library for Philips PCD8544 LCDs on the Arduino. (by carlosefr)

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Arduino-MQ131-driver

Arduino driver for gas sensor MQ131 (Ozone / O3) (by ostaquet)

Arduino arduino-library Sensor arduino-driver Driver ozone gas-sensor

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pcd8544		Arduino-MQ131-driver
	Project
2	Mentions	1
90	Stars	64
-	Growth	-
1.8	Activity	0.0
over 3 years ago	Latest Commit	almost 3 years ago
C++	Language	C++
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

pcd8544

Posts with mentions or reviews of pcd8544. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-04-14.

Can I use this library with an ATtiny85?
2 projects | /r/arduino | 14 Apr 2021

All the pins can be changed from the default values you just need to set them when you call the constructor. Look here: https://github.com/carlosefr/pcd8544/blob/6555ce575565724afbf9bc84d341082d2059f99b/PCD8544.h#L65

Arduino-MQ131-driver

Posts with mentions or reviews of Arduino-MQ131-driver. We have used some of these posts to build our list of alternatives and similar projects.

Monitoring my home's air quality with AirGradient's DIY sensor
1 project | news.ycombinator.com | 8 Sep 2021

Not sure if this is DIY enough for you, but I'm using an MQ131 (about $20-$30 on Amazon, probably cheaper directly from China) in an air quality sensor I'm building. There's an Arduino library for it [1], and from what I can tell so far, it does work, though it's probably not super accurate. It's also somewhat sensitive to environmental factors, though you can correct for some of that with known temperature/humidity.
[1] https://github.com/ostaquet/Arduino-MQ131-driver

What are some alternatives?

When comparing pcd8544 and Arduino-MQ131-driver you can also consider the following projects:

LiquidCrystal_PCF8574 - A library for driving LiquidCrystal displays (LCD) by using the I2C bus and an PCF8574 I2C adapter.

vzlogger - Logging utility for various meters & sensors

TaskScheduler - Cooperative multitasking for Arduino, ESPx, STM32, nRF and other microcontrollers

invensense-imu - Arduino and CMake library for communicating with the InvenSense MPU-6500, MPU-9250 and MPU-9255 nine-axis IMUs.

hl-alyx-glove - Firmware and Hardware for a Half-Life: Alyx Gravity Glove Replica

CCS811 - Arduino library for the CCS811 gas sensor for monitoring indoor air quality.

GEM - Good Enough Menu for Arduino

Arduino-SIM800L-driver - Arduino driver for GSM/GPRS module SIMCom SIM800L to make HTTP/S connections with GET and POST methods

ATtiny84-TinyCalibrator - OSC Calibrator and High-Voltage Fuse Resetter for 8-Pin ATtinys

Adafruit_Sensor - Common sensor library

TM16xx - Arduino TM16xx library for LED & KEY and LED Matrix modules based on TM1638, TM1637, TM1640 and similar chips. Simply use print() on 7-segment and use Adafruit GFX on matrix.

HCSR04-ultrasonic-sensor-lib - Arduino lib for HCSR04 ultrasonic sensor